still wet behind the ears的意思|示意

乳臭未干 ... 手扶拖拉机 walking tractor 乳臭未干 still wet behind the ears 画蛇添足 put a fifth wheel t the chart ...

不知天高地厚 ... 不知所云mumbo-jumbo 不知天高地厚still wet behind the ears 不着边际dancing around the subject ...

白面书生 ... 哀的美敦书 ultimatum (loanword) 白面书生 still wet behind the ears 毕业证书 diploma ...